The Zhengdian (Chinese: 政典; Wade–Giles: Chengtien; lit.
'Political Institutions') was a 35-volume Chinese political treatise in historical form which was written approximately in 742 by Liu Zhi, son of esteemed historical critic Liu Zhiji.
[1] The book did not survive, but it was further expanded and borrowed by Du You in his Tongdian.
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